"Dog","b"=>"Cat");if(array_key_exists("a",$a)){ echo "Key exists!";}else{ echo "Key does not exist!";}?>
"Dog","b"=>"Cat","c"=>5,"d"=>"5");echo array_search("Dog",$a);echo array_search("5",$a);?>
本文共 281 字,大约阅读时间需要 1 分钟。
"Dog","b"=>"Cat");if(array_key_exists("a",$a)){ echo "Key exists!";}else{ echo "Key does not exist!";}?>
"Dog","b"=>"Cat","c"=>5,"d"=>"5");echo array_search("Dog",$a);echo array_search("5",$a);?>
转载于:https://www.cnblogs.com/suxiaolong/p/5151675.html